Is there ANY chance of getting some info on the Aleph-L preamp? I have searched high and low to no avail, just a lot of intriguing references. I am specifically interested in the passive/active version, v1.2 I believe. How was it done?, crossover issues? It seems pretty idea in theory in this age of hot output CDP's (my Njoe Tjoeb 4000) and so-so tuners (NAD 1700).

I have built the BOZ and like it a lot. It's feeding a Tubelab SE 300B tube amp that gives me a great sound through some single driver Decware HDT's. My intention is to A-B compare the Tubelab with a V9 whenever some boards come available but in the meantime I would like to build an Aleph-L. Any help is GREATLY appreciated.

How the passive/active version is done you can see in service manual. If you don't have one drop me an e-mail and I will mail it to you.

I have built BOZ, BSOZ, both Aleph L and Both Aleph P.

The best sounding of them in my opinion are both Aleph P (I like 1.0 better) and the second would be Aleph L all time active version. I didn't like passive/active version and didn't find it interesting.

Aleph L all time active version is a very good sounding pramplifier, where it looses to Alpeh P is some refinement of frequency extremes (bass and highs), but it has much higher gain so if you need a high gain Aleph L is the way to go.

All my observations are based on my copies of those designs, originals or some other's versions may vary. But I must say I used very similar or exactly the same parts (resistors, capacitors..) and enclosures to evaluate the sonic diffrances between them.